Systems, apparatuses, and methods for a modular resistor grid system include a mount and a plurality of modular resistor grid assemblies that interchangeably couple to the mount. At least two modular resistor grid assemblies are in the plurality. Each has a housing and a plurality of resistor plates. Each housing has input and output terminals. Each plurality of resistor plates is connected between the input and the output terminal of a housing. Each resistor plate has a thickness, and each plurality of resistor plates provides a target electrical resistance for a modular resistor grid assembly. A first modular resistor grid assembly has a first number of resistor plates with a first thickness. A second modular resistor grid assembly has a second number of resistor plates with a second thickness. The first number of resistor plates is greater than the second number. The first thickness is greater than the second thickness.

Systems, apparatuses, and methods for a modular resistor grid system include a mount and a plurality of modular resistor grid assemblies that interchangeably couple to the mount. At least two modular resistor grid assemblies are in the plurality. Each has a housing and a plurality of resistor plates. Each housing has input and output terminals. Each plurality of resistor plates is connected between the input and the output terminal of a housing. Each resistor plate has a thickness, and each plurality of resistor plates provides a target electrical resistance for a modular resistor grid assembly. A first modular resistor grid assembly has a first number of resistor plates with a first thickness. A second modular resistor grid assembly has a second number of resistor plates with a second thickness. The first number of resistor plates is greater than the second number. The first thickness is greater than the second thickness.

A variable capacity stack-type brake resistor including at least one resistance module having one or more heating elements therein, one control module including a substrate electrically connected to the heating elements, an inlet port connected to a fluid inlet on one side of the resistance module, and an outlet port connected to a fluid outlet on the other side of the resistance module, wherein the resistance module is provided in a box shape with flat upper and lower surfaces, and the control module is assembled in a stacked manner on the upper surface of the resistance module. According to the brake resistor, total capacity (capacity to consume energy) may be changed as desired by adjusting the number of resistance modules assembled in a stacked manner as needed, thereby satisfying the required specifications and responding quickly to requests for specification changes without major replacement or changes to production equipment.

A variable capacity stack-type brake resistor including at least one resistance module having one or more heating elements therein, one control module including a substrate electrically connected to the heating elements, an inlet port connected to a fluid inlet on one side of the resistance module, and an outlet port connected to a fluid outlet on the other side of the resistance module, wherein the resistance module is provided in a box shape with flat upper and lower surfaces, and the control module is assembled in a stacked manner on the upper surface of the resistance module. According to the brake resistor, total capacity (capacity to consume energy) may be changed as desired by adjusting the number of resistance modules assembled in a stacked manner as needed, thereby satisfying the required specifications and responding quickly to requests for specification changes without major replacement or changes to production equipment.

An air cooled resistor arrangement comprising a first elongated tube member which is housed inside a second elongated tube member. The first and second elongated tube members are spaced apart from each other by an air gap for allowing a flow of air to flow through the first elongated tube member and the air gap.

An air cooled resistor arrangement comprising a first elongated tube member which is housed inside a second elongated tube member. The first and second elongated tube members are spaced apart from each other by an air gap for allowing a flow of air to flow through the first elongated tube member and the air gap.

An air cooled resistor arrangement comprising a first elongated tube member forming a first air flow channel and a second elongated tube member forming a second air flow channel, wherein the first elongated tube member is at least partly housed inside the second elongated tube member. The air-cooled resistor arrangement further comprises an air dilution portion comprising at least one opening at which the first air flow channel is arranged in fluid communication with the second air flow channel.

An air cooled resistor arrangement comprising a first elongated tube member forming a first air flow channel and a second elongated tube member forming a second air flow channel, wherein the first elongated tube member is at least partly housed inside the second elongated tube member. The air-cooled resistor arrangement further comprises an air dilution portion comprising at least one opening at which the first air flow channel is arranged in fluid communication with the second air flow channel.

A resistive grid includes a frame and at least one resistive element. The frame has a first frame end and a second frame end opposite the first frame end. The first frame end and the second frame end are joined by frame sides. The first frame end has a first length that is shorter than a second length of the second frame end. The at least one resistive element extends between the first frame end and the second frame end. The at least one resistive element has a first portion proximate the first frame end, and a second portion proximate the second frame end. The first portion is configured to have one or both of decreased heat generation or decreased electrical resistance relative to the second portion.

A resistive grid includes a frame and at least one resistive element. The frame has a first frame end and a second frame end opposite the first frame end. The first frame end and the second frame end are joined by frame sides. The first frame end has a first length that is shorter than a second length of the second frame end. The at least one resistive element extends between the first frame end and the second frame end. The at least one resistive element has a first portion proximate the first frame end, and a second portion proximate the second frame end. The first portion is configured to have one or both of decreased heat generation or decreased electrical resistance relative to the second portion.